Some code cleanup, and fixing userspace builds after the last pull request.

I changed the functions in src/include/drv/app_dac_functions.c to static to fix an undefined reference issue after splitting the timing code into user/kernel headers. Everything else is just header guards.

marked this merge request as draft

added 1 commit

• b6c77aaa - Not removing these lines yet, but not sure why they are needed

Compare with previous version

changed the description

marked this merge request as ready

assigned to @jonathan-hanks and @erik.vonreis

mentioned in commit 871cf8df

merged